I was confused as much as you are when I first got my hand on the credential workflow, so it’s totally normal.
The most confusing part was the fact of having the credentials stored inside the excel sheet which is not logical since you will have a revealed password, so the short answer to this is No, you should not have your credentials inside the excel sheet(I’m saying this because this is what I understood reading the PDD the first time making the process).
So there are two options
1.don’t mention any credentials and you will have a pop up displayed by default where you can write them.
2.Add System1_Credentials in assets in your data excel sheet, but you must pay attention in this case because you must have created a credential asset in orchestrator and your ROBOT MUST BE CONNECTED TO ORCHESTRATOR.
If you are working on Assignment 1 you don’t need to do the second step (even if it is advised in the PDD) because you won’t be working with orchestrator.
But in the second assignment you have to load your data to orchestrator so in this case you will be forced to establish a connection between your machine and orchestrator so you can go ahead and use the second method.
Hope this helps!